Cisco Threat Defense System 3725 access router security bundles are a cost-effective way to implement full-service branch capabilities with comprehensive security. Using the Cisco 3725 access router with Cisco IOS Software Release 12.3(4)T, the router security bundles add the DES/3DES/AES Compression Module, and either the IDS Network Module or the Content Engine Network Module, to provide high-performing threat defense with secure connectivity capabilities.Cisco 3725 Access Router Content Engine Security Bundle includes: 1 Cisco 3725 Multiservice Access Router, 3 open WIC slots for WAN connectivity (WAN options include T1, T3, DSL, ADSL, and ISDN), 1 open AIM slot, Cisco IOS Software Release 12.3(4)T (with voice, VPN, firewall, and IDS services), 1 Content Engine Module (80-GB), 1 16-port EtherSwitch Network Module, 1 DES/3DES/AES Compression Module, Cisco SMARTnet support.